223332211252 has 24 divisors (see below), whose sum is σ = 411441357600. Its totient is φ = 105778678176.

The previous prime is 223332211247. The next prime is 223332211253. The reversal of 223332211252 is 252112233322.

It is a self number, because there is not a number n which added to its sum of digits gives 223332211252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223332211253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 676683 + ... + 951085.

It is an arithmetic number, because the mean of its divisors is an integer number (17143389900).

Almost surely, 2^223332211252 is an apocalyptic number.

It is an amenable number.

223332211252 is a deficient number, since it is larger than the sum of its proper divisors (188109146348).

223332211252 is a wasteful number, since it uses less digits than its factorization.

223332211252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285135 (or 285133 counting only the distinct ones).

The product of its digits is 8640, while the sum is 28.

Adding to 223332211252 its reverse (252112233322), we get a palindrome (475444444574).

The spelling of 223332211252 in words is "two hundred twenty-three billion, three hundred thirty-two million, two hundred eleven thousand, two hundred fifty-two".